| http://www.w3.org/ns/prov#value | - Nagahama et al. [J. Bacteriology 177:1179-1185 (1995)] reported that substitution of the histidine at position 68 with a neutral amino acid, such as glycine, in the C. perfringens alpha-toxin resulted in a complete loss of hemolytic, phospholipase C, sphingomyelinase, and lethal activity of the mutein alpha-toxin.
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